removed obsolete wp-super-memcache plugin

wp-content/plugins/wp-super-memcache/Changelog.txt

wp-content/plugins/wp-super-memcache/advanced-cache.php

...ugins/wp-super-memcache/languages/wp-super-cache-be_BY.mo

...ugins/wp-super-memcache/languages/wp-super-cache-be_BY.po

...ugins/wp-super-memcache/languages/wp-super-cache-de_DE.mo

...ugins/wp-super-memcache/languages/wp-super-cache-de_DE.po

...ugins/wp-super-memcache/languages/wp-super-cache-es_ES.mo

...ugins/wp-super-memcache/languages/wp-super-cache-es_ES.po

...ugins/wp-super-memcache/languages/wp-super-cache-fr_FR.mo

...ugins/wp-super-memcache/languages/wp-super-cache-fr_FR.po

...ugins/wp-super-memcache/languages/wp-super-cache-it_IT.mo

...ugins/wp-super-memcache/languages/wp-super-cache-it_IT.po

.../plugins/wp-super-memcache/languages/wp-super-cache-ja.mo

.../plugins/wp-super-memcache/languages/wp-super-cache-ja.po

...ugins/wp-super-memcache/languages/wp-super-cache-lt_LT.mo

...ugins/wp-super-memcache/languages/wp-super-cache-lt_LT.po

...ugins/wp-super-memcache/languages/wp-super-cache-ro_RO.mo

...ugins/wp-super-memcache/languages/wp-super-cache-ro_RO.po

...ugins/wp-super-memcache/languages/wp-super-cache-ru_RU.mo

...ugins/wp-super-memcache/languages/wp-super-cache-ru_RU.po